Artie and Mercedes share a moment when the glee club tells Will they couldn't find a song that went together with Bust a Move. Mercedes wheels Artie forward before the glee club slushies Mr. Schue. (Mash-Up)

Mercedes laughs when Artie says a patriotic wedgie did make him feel more American. They both have solos in Proud Mary. (Wheels)

Mercedes and Artie have lunch with Tina. Artie tells Mercedes that they are worried about her dieting and that she doesn't need to lose weight. (Home)

At the end of episode, when Mercedes leaves New Directions, Artie, along with Tina and Kurt go to visit her during her rehearsal with The Troubletones. Mercedes is going to hug them, but she is suddenly stopped by Santana. (Asian F)

In the auditorium, Mercedes and Artie are the only two members there, since Will said it wasn't mandatory and start singing My Love Is Your Love. Eventually, all the remaining members join them. (Dance with Somebody)

During Tina's dream, Brittany as Mercedes is pushing Santana as Artie and down the halls. Later on, Mercedes as Brittany and Artie as Santana share a kiss during Because You Loved Me. (Props)

When Kitty sings Signed, Sealed, Delivered I'm Yours to Artie, Mercedes criticizes Kitty for the performance and for what she did to Artie. She also congratulates Artie upon his achievements. Later in the episode, when Mercedes performs Superstition and Higher Ground, Artie enjoys both performances and encourages Mercedes. At the end of the episode, Mercedes practices some vocal runs in front of the Glee Club and tells the Glee Club to meet in the auditorium for a number to which Artie joins in with Mercedes and chimes in. Together, they perform For Once in My Life with the rest of the New Directions in the auditorium. (Wonder-ful)

At the end of Seasons of Love, they hold hands watching a picture of late Finn Hudson. While Mercedes is singing, Artie is shown to be really touched by her voice, even crying. They have many smaller interactions. (The Quarterback)

Artie first acknowledges Mercedes when she enters the hotel, and he asks her if her chihuahua is real, to which she responds that it is faux. Along with the rest of the New Directions, Artie seems happy for Mercedes after she reveals she has a record deal. The two of them then are present in several scenes throughout the episode, but do not have any main interactions. (City of Angels)

Mercedes makes an arrival to New York, and when she enters the Bushwick Apartment, Artie is very surprised and excited as she makes her entrance. Mercedes and Artie hug each other. (New New York)

Mercedes and Artie are both present during the weekly Monday night Potluck dinner in which everyone is discussing the recent "gay bashing" of Russ, a man who was recently attacked and hospitalized. It is discussed how hate crimes have been on the rise in NYC.
Later, when Kurt himself becomes the victim when trying to assist another target of a hate crime, Artie and Mercedes (as well as Blaine, Rachel, and Sam) visit Kurt in the hospital, clearly shaken over the incident. They are told that Kurt is hurt, but will recover.
After Kurt is released from the hospital, Mercedes, Artie, Kurt, Blaine, Rachel and Sam have another Monday night potluck dinner at the Bushwick loft. Everyone toasts Kurt and wishes him luck at his Mid-Winter Critique at NYADA. Mercedes and Artie, along with Blaine, Rachel, Burt, and Sam attend Kurt's performance of I'm Still Here. (Bash)

Artie and Mercedes are both accompanying Sam and Rachel to the shelter for rescue dogs. Later, Sam and Artie are both hanging out in Mercedes' apartment, with Sam's new dog McConaughey. Artie tells him Mercedes is gonna freak when she gets home, but Sam says she's gonna fall in love with the dog. However, Mercedes becomes mad when she gets home. Artie wants to leave, but can't get out of the apartment in his chair. When Mercedes tells Sam he has to realize it's a living thing, Sam replies by saying that Artie is as well, but he still takes care of him. Artie is a little offended by this, but doesn't get mad.
Artie helps training the dog later that week. They sit together with Sam at Rachel's event, where Mercedes looks disgusted when Artie eats dog treats. Also, the two sing Take Me Home Tonight with the rest of the group and Maggie later that night. (Old Dog, New Tricks)

When the episode begins, Artie and Mercedes are both at the loft for Monday night dinner. They both seem excited to see Brittany when she enters. Artie films Mercedes before and during her performance of Shakin' My Head at the mall.
Artie and Mercedes both attend Blaine's showcase and watch and enjoy the performance of No Time at All. They also watch Blaine and Kurt sing American Boy and both join in to dance at the end of the song.
At the end of the episode, Mercedes and Artie are both seen reading the final script of Rachel's TV pilot. They both run outside to see Sam's bus ad and both perform in Pompeii. During the song, Artie is seen rolling down the hallway of his film school and Mercedes is seen moving out of her apartment and getting into a cab. (The Untitled Rachel Berry Project)

Artie and Mercedes return to McKinley, to help with Rachel to find members for the new glee club. They both perform in Take On Me and are later seen listening to a voice from the vents, along with the other alumni. They both comment on how Roderick's voice is good, and should try out for the glee club. At the end of the episode, they are both seen performing in Home (Season Six). (Homecoming)

Mercedes and Artie sing together At Last at the beginning of the wedding. (A Wedding).

Mercedes and Artie meet for the first time in Choir Room just before Sit Down, You're Rockin' the Boat. Later, Mercedes calls Artie, Tina, Rachel and Kurt for Emergency Meeting. They talk about Finn and wonder is it good that he joined to the Glee Club. At the end of the episode, they are part of the song. Both of them provide the back-up. Don't Stop Believin' (2009)

Mercedes and Artie, along with Blaine, Sam, Tina, Rachel, Kurt, and Kitty meet Will in Choir Room with the New Directions. He sings Teach Your Children for them. Later, Mercedes sings Someday We'll Be Together. After Mercedes leaves, Artie says that Mercedes Jones has left the building and he seems to be really sad about it. 5 years later, in 2020, Artie and Tina meet Mercedes in New York just before Tony's in wich Rachel is nominated. Artie asks Mercedes if he can use her songs in his movie. She happily agrees. At the end ot the episode, they, along with every other past New Directions members sing I Lived. (Dreams Come True)